Windows 10 laptop performance and stuttering issue

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Feb 10, 2014
Hey! To make this short, I'm fixing this laptop for a friend of mine. Brand new Lenovo Flex 3, and it has a problem I can't seem to fix.

As said in the title, it has some very bad mouse cursor and text input lag. It seems to freeze for a tiny amount of time every 5 seconds or so.

I also just installed Windows 10 earlier this month on the machine. No performance issues were reported after the upgrade though.

The Laptop is a Lenovo Flex 3
Intel I5 5500U processor normally clocked at 2.4 GHz (2 cores)
Intel HD Graphics 5500
8 Gigabytes of RAM
Windows 10
It also has a 1920x1080 touch screen, if that helps anything

Thanks for the help!

EDIT: I looked around a bit, and there is no audio stuttering. Just tested with Spotify, Soundbutt and Youtube.
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